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Obituaries

Elihu Boldt
15 July 1931 - 12 September 2008
Goddard Space Flight Center
Greenbelt, MD

Brian Pippard
07 September 1920 - 21 September 2008
Cambridge University
Cambridge, UK

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In the Magazine July 2010

Nuclear explosion - Image Source: http://iis-db.stanford.edu/evnts/5872/5872-small_Drell_2010_logo.jpg

Working toward a world without nuclear weapons

Limiting the number of warheads is a good beginning, but getting to the end state calls for new thinking. Six specific steps can start us down that path

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earth satellite

Touring the atmosphere aboard the A-Train

A convoy of satellites orbiting Earth measures cloud properties, greenhouse gas concentrations, and more to provide a multifaceted perspective on the processes that affect climate

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nuclear bombs

Obama’s nuclear weapons agenda is on multiple rapid tracks

Nonproliferation moves to the top of the president’s priority list; a new arms treaty with Moscow, a summit on nuclear security, and a UN disarmament conference cap a nuclear spring

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full body scan

Airport checkpoint technologies take off

From bench-top instruments to full-body scanners, the US government is testing new equipment to screen humans for explosives

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spinning soccer ball

Power and spin in the beautiful game

After a ball leaves a soccer player’s foot, surface roughness and asymmetric air forces contribute to some jaw-dropping trajectories

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